package main

import "fmt"

func main() {
	demo()
	fmt.Println("----------------")
	demo1()
}

func demo() {
	m := map[int]string{1: "a", 2: "b"}
	fmt.Println(m[1])
	fmt.Println(m[2])
}

func demo1() {
	m := make(map[int]string, 10)
	fmt.Println(m)
}
